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26 lines
681 B
TypeScript
26 lines
681 B
TypeScript
/**
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* Returns a date as a string value in ISO 8601 format (without time information).
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*
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* @param date
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* @returns
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* @example getISODate(new Date("2012-05-23")) // "2012-05-23"
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*/
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export const getISODate = (date: Date): string => {
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return date.toISOString().slice(0, 10)
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}
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/**
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* Calculates the age of a person based on their birth date.
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* @param birthDate
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* @returns
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*/
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export const getAge = (birthDate: Date): number => {
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const today = new Date()
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let age = today.getFullYear() - birthDate.getFullYear()
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const month = today.getMonth() - birthDate.getMonth()
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if (month < 0 || (month === 0 && today.getDate() < birthDate.getDate())) {
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age--
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}
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return age
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}
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